src/BufferView2.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1995 Matthias Ettrich
   8  *           Copyright 1995-2000 The LyX Team.
   9  *
  10  * ====================================================== */
  11
  12 #include <config.h>
  13
  14 #include <fstream>
  15 #include <algorithm>
  16
  17 #include "BufferView.h"
  18 #include "buffer.h"
  19 #include "lyxcursor.h"
  20 #include "lyxtext.h"
  21 #include "insets/inseterror.h"
  22 #include "insets/insetinfo.h"
  23 #include "insets/insetspecialchar.h"
  24 #include "LyXView.h"
  25 #include "minibuffer.h"
  26 #include "bufferlist.h"
  27 #include "support/FileInfo.h"
  28 #include "lyxscreen.h"
  29 #include "support/filetools.h"
  30 #include "lyx_gui_misc.h"
  31 #include "LaTeX.h"
  32 #include "BufferView_pimpl.h"
  33 #include "insets/insetcommand.h" //ChangeRefs
  34 #include "support/lyxfunctional.h" //equal_1st_in_pair
  35
  36 extern BufferList bufferlist;
  37
  38 using std::pair;
  39 using std::endl;
  40 using std::ifstream;
  41 using std::vector;
  42 using std::find;
  43 using std::count;
  44 using std::count_if;
  45
  46 // Inserts a file into current document
  47 bool BufferView::insertLyXFile(string const & filen)
  48         //
  49         // Copyright CHT Software Service GmbH
  50         // Uwe C. Schroeder
  51         //
  52         // Insert a Lyxformat - file into current buffer
  53         //
  54         // Moved from lyx_cb.C (Lgb)
  55 {
  56         if (filen.empty()) return false;
  57
  58         string const fname = MakeAbsPath(filen);
  59
  60         // check if file exist
  61         FileInfo const fi(fname);
  62
  63         if (!fi.readable()) {
  64                 WriteAlert(_("Error!"),
  65                            _("Specified file is unreadable: "),
  66                            MakeDisplayPath(fname, 50));
  67                 return false;
  68         }
  69
  70         beforeChange();
  71
  72         ifstream ifs(fname.c_str());
  73         if (!ifs) {
  74                 WriteAlert(_("Error!"),
  75                            _("Cannot open specified file: "),
  76                            MakeDisplayPath(fname, 50));
  77                 return false;
  78         }
  79
  80         char const c = ifs.peek();
  81
  82         LyXLex lex(0, 0);
  83         lex.setStream(ifs);
  84
  85         bool res = true;
  86
  87         if (c == '#') {
  88                 lyxerr.debug() << "Will insert file with header" << endl;
  89                 res = buffer()->readFile(lex, text->cursor.par());
  90         } else {
  91                 lyxerr.debug() << "Will insert file without header" << endl;
  92                 res = buffer()->readLyXformat2(lex, text->cursor.par());
  93         }
  94
  95         resize();
  96         return res;
  97 }
  98
  99
 100 bool BufferView::removeAutoInsets()
 101 {
 102         LyXParagraph * par = buffer()->paragraph;
 103
 104         LyXCursor tmpcursor = text->cursor;
 105         LyXCursor cursor;
 106
 107         bool a = false;
 108         while (par) {
 109                 // this has to be done before the delete
 110 #ifndef NEW_INSETS
 111                 if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
 112 #endif
 113                         text->SetCursor(this, cursor, par, 0);
 114                 if (par->AutoDeleteInsets()){
 115                         a = true;
 116 #ifndef NEW_INSETS
 117                         if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE){
 118 #endif
 119                                 text->RedoParagraphs(this, cursor,
 120                                                      cursor.par()->Next());
 121                                 text->FullRebreak(this);
 122 #ifndef NEW_INSETS
 123                         }
 124 #endif
 125                 }
 126                 par = par->next;
 127         }
 128         // avoid forbidden cursor positions caused by error removing
 129         if (tmpcursor.pos() > tmpcursor.par()->Last())
 130                 tmpcursor.pos(tmpcursor.par()->Last());
 131         text->SetCursorIntern(this, tmpcursor.par(), tmpcursor.pos());
 132
 133         return a;
 134 }
 135
 136
 137 void BufferView::insertErrors(TeXErrors & terr)
 138 {
 139         // Save the cursor position
 140         LyXCursor cursor = text->cursor;
 141
 142 #ifndef NEW_INSETS
 143         // This is drastic, but it's the only fix, I could find. (Asger)
 144         allFloats(1, 0);
 145         allFloats(1, 1);
 146 #endif
 147
 148         for (TeXErrors::Errors::const_iterator cit = terr.begin();
 149              cit != terr.end();
 150              ++cit) {
 151                 string const desctext((*cit).error_desc);
 152                 string const errortext((*cit).error_text);
 153                 string const msgtxt = desctext + '\n' + errortext;
 154                 int const errorrow = (*cit).error_in_line;
 155
 156                 // Insert error string for row number
 157                 int tmpid = -1;
 158                 int tmppos = -1;
 159
 160                 if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
 161                         buffer()->texrow.increasePos(tmpid, tmppos);
 162                 }
 163
 164                 LyXParagraph * texrowpar = 0;
 165
 166                 if (tmpid == -1) {
 167                         texrowpar = text->FirstParagraph();
 168                         tmppos = 0;
 169                 } else {
 170                         texrowpar = text->GetParFromID(tmpid);
 171                 }
 172
 173                 if (texrowpar == 0)
 174                         continue;
 175
 176                 InsetError * new_inset = new InsetError(msgtxt);
 177                 text->SetCursorIntern(this, texrowpar, tmppos);
 178                 text->InsertInset(this, new_inset);
 179                 text->FullRebreak(this);
 180         }
 181         // Restore the cursor position
 182         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 183 }
 184
 185
 186 void BufferView::setCursorFromRow(int row)
 187 {
 188         int tmpid = -1;
 189         int tmppos = -1;
 190
 191         buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
 192
 193         LyXParagraph * texrowpar;
 194
 195         if (tmpid == -1) {
 196                 texrowpar = text->FirstParagraph();
 197                 tmppos = 0;
 198         } else {
 199                 texrowpar = text->GetParFromID(tmpid);
 200         }
 201         text->SetCursor(this, texrowpar, tmppos);
 202 }
 203
 204
 205 bool BufferView::insertInset(Inset * inset, string const & lout,
 206                              bool /*no_table*/)
 207 {
 208         // if we are in a locking inset we should try to insert the
 209         // inset there otherwise this is a illegal function now
 210         if (theLockingInset()) {
 211                 if (theLockingInset()->InsertInsetAllowed(inset))
 212                     return theLockingInset()->InsertInset(this, inset);
 213                 return false;
 214         }
 215
 216         // not quite sure if we want this...
 217         text->SetCursorParUndo(buffer());
 218         text->FreezeUndo();
 219
 220         beforeChange();
 221         if (!lout.empty()) {
 222                 update(BufferView::SELECT|BufferView::FITCUR);
 223                 text->BreakParagraph(this);
 224                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 225
 226                 if (text->cursor.par()->Last()) {
 227                         text->CursorLeft(this);
 228
 229                         text->BreakParagraph(this);
 230                         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 231                 }
 232
 233                 pair<bool, LyXTextClass::size_type> lres =
 234                         textclasslist.NumberOfLayout(buffer()->params
 235                                                      .textclass, lout);
 236                 LyXTextClass::size_type lay;
 237                 if (lres.first != false) {
 238                         // layout found
 239                         lay = lres.second;
 240                 } else {
 241                         // layout not fount using default "Standard" (0)
 242                         lay = 0;
 243                 }
 244
 245                 text->SetLayout(this, lay);
 246
 247                 text->SetParagraph(this, 0, 0,
 248                                    0, 0,
 249                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
 250                                    LYX_ALIGN_LAYOUT,
 251                                    string(),
 252                                    0);
 253                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 254
 255                 text->current_font.setLatex(LyXFont::OFF);
 256         }
 257
 258         text->InsertInset(this, inset);
 259         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 260
 261         text->UnFreezeUndo();
 262         return true;
 263 }
 264
 265
 266 // Open and lock an updatable inset
 267 bool BufferView::open_new_inset(UpdatableInset * new_inset, bool behind)
 268 {
 269         beforeChange();
 270         text->FinishUndo();
 271         if (!insertInset(new_inset)) {
 272                 delete new_inset;
 273                 return false;
 274         }
 275         if (behind) {
 276                 LyXFont & font = getLyXText()->real_current_font;
 277                 new_inset->Edit(this, new_inset->width(this, font), 0, 0);
 278         } else
 279                 new_inset->Edit(this, 0, 0, 0);
 280         return true;
 281 }
 282
 283 /* This is also a buffer property (ale) */
 284 // Not so sure about that. a goto Label function can not be buffer local, just
 285 // think how this will work in a multiwindo/buffer environment, all the
 286 // cursors in all the views showing this buffer will move. (Lgb)
 287 // OK, then no cursor action should be allowed in buffer. (ale)
 288 bool BufferView::gotoLabel(string const & label)
 289
 290 {
 291         for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
 292              it != buffer()->inset_iterator_end(); ++it) {
 293                 vector<string> labels = (*it)->getLabelList();
 294                 if (find(labels.begin(),labels.end(),label)
 295                      != labels.end()) {
 296                         beforeChange();
 297                         text->SetCursor(this, it.getPar(), it.getPos());
 298                         text->sel_cursor = text->cursor;
 299                         update(BufferView::SELECT|BufferView::FITCUR);
 300                         return true;
 301                 }
 302         }
 303         return false;
 304 }
 305
 306
 307 #ifndef NEW_INSETS
 308 void BufferView::allFloats(char flag, char figmar)
 309 {
 310         if (!available()) return;
 311
 312         LyXCursor cursor = text->cursor;
 313
 314         if (!flag
 315             && cursor.par()->footnoteflag != LyXParagraph::NO_FOOTNOTE
 316             && ((figmar
 317                  && cursor.par()->footnotekind != LyXParagraph::FOOTNOTE
 318                  && cursor.par()->footnotekind != LyXParagraph::MARGIN
 319                     )
 320                 || (!figmar
 321                     && cursor.par()->footnotekind != LyXParagraph::FIG
 322                     && cursor.par()->footnotekind != LyXParagraph::TAB
 323                     && cursor.par()->footnotekind != LyXParagraph::WIDE_FIG
 324                     && cursor.par()->footnotekind != LyXParagraph::WIDE_TAB
 325                     && cursor.par()->footnotekind != LyXParagraph::ALGORITHM)))
 326                 toggleFloat();
 327         else
 328                 beforeChange();
 329
 330         LyXCursor tmpcursor = cursor;
 331         cursor.par(tmpcursor.par()->ParFromPos(tmpcursor.pos()));
 332         cursor.pos(tmpcursor.par()->PositionInParFromPos(tmpcursor.pos()));
 333
 334         LyXParagraph *par = buffer()->paragraph;
 335         while (par) {
 336                 if (flag) {
 337                         if (par->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE
 338                             && ((figmar
 339                                  && par->footnotekind != LyXParagraph::FOOTNOTE
 340                                  && par->footnotekind !=  LyXParagraph::MARGIN)
 341                                 || (!figmar
 342                                     && par->footnotekind != LyXParagraph::FIG
 343                                     && par->footnotekind != LyXParagraph::TAB
 344                                     && par->footnotekind != LyXParagraph::WIDE_FIG
 345                                     && par->footnotekind != LyXParagraph::WIDE_TAB
 346                                     && par->footnotekind != LyXParagraph::ALGORITHM
 347                                         )
 348                                     )
 349                                 ) {
 350                                 if (par->previous
 351                                     && par->previous->footnoteflag !=
 352                                     LyXParagraph::CLOSED_FOOTNOTE){ /* should be */
 353                                         text->SetCursorIntern(this,
 354                                                               par->previous,
 355                                                               0);
 356                                         text->OpenFootnote(this);
 357                                 }
 358                         }
 359                 } else {
 360                         if (par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE
 361                             && (
 362                                     (figmar
 363                                      &&
 364                                      par->footnotekind != LyXParagraph::FOOTNOTE
 365                                      &&
 366                                      par->footnotekind !=  LyXParagraph::MARGIN
 367                                             )
 368                                     ||
 369                                     (!figmar
 370                                      &&
 371                                      par->footnotekind != LyXParagraph::FIG
 372                                      &&
 373                                      par->footnotekind != LyXParagraph::TAB
 374                                      &&
 375                                      par->footnotekind != LyXParagraph::WIDE_FIG
 376                                      &&
 377                                      par->footnotekind != LyXParagraph::WIDE_TAB
 378                                      &&
 379                                      par->footnotekind != LyXParagraph::ALGORITHM
 380                                             )
 381                                     )
 382                                 ) {
 383                                 text->SetCursorIntern(this, par, 0);
 384                                 text->CloseFootnote(this);
 385                         }
 386                 }
 387                 par = par->next;
 388         }
 389
 390         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 391         redraw();
 392         fitCursor(text);
 393 }
 394 #endif
 395
 396
 397 void BufferView::insertNote()
 398 {
 399         InsetInfo * new_inset = new InsetInfo();
 400         insertInset(new_inset);
 401         new_inset->Edit(this, 0, 0, 0);
 402 }
 403
 404
 405 #ifndef NEW_INSETS
 406 void BufferView::openStuff()
 407 {
 408         if (available()) {
 409                 owner()->getMiniBuffer()->Set(_("Open/Close..."));
 410                 hideCursor();
 411                 beforeChange();
 412                 update(BufferView::SELECT|BufferView::FITCUR);
 413                 text->OpenStuff(this);
 414                 update(BufferView::SELECT|BufferView::FITCUR);
 415                 setState();
 416         }
 417 }
 418
 419
 420 void BufferView::toggleFloat()
 421 {
 422         if (available()) {
 423                 owner()->getMiniBuffer()->Set(_("Open/Close..."));
 424                 hideCursor();
 425                 beforeChange();
 426                 update(BufferView::SELECT|BufferView::FITCUR);
 427                 text->ToggleFootnote(this);
 428                 update(BufferView::SELECT|BufferView::FITCUR);
 429                 setState();
 430         }
 431 }
 432 #endif
 433
 434 void BufferView::menuUndo()
 435 {
 436         if (available()) {
 437                 owner()->getMiniBuffer()->Set(_("Undo"));
 438                 hideCursor();
 439                 beforeChange();
 440                 update(BufferView::SELECT|BufferView::FITCUR);
 441                 if (!text->TextUndo(this))
 442                         owner()->getMiniBuffer()->Set(_("No further undo information"));
 443                 else
 444                         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 445                 setState();
 446         }
 447 }
 448
 449
 450 void BufferView::menuRedo()
 451 {
 452         if (theLockingInset()) {
 453                 owner()->getMiniBuffer()->Set(_("Redo not yet supported in math mode"));
 454                 return;
 455         }
 456
 457         if (available()) {
 458                 owner()->getMiniBuffer()->Set(_("Redo"));
 459                 hideCursor();
 460                 beforeChange();
 461                 update(BufferView::SELECT|BufferView::FITCUR);
 462                 if (!text->TextRedo(this))
 463                         owner()->getMiniBuffer()->Set(_("No further redo information"));
 464                 else
 465                         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 466                 setState();
 467         }
 468 }
 469
 470
 471 void BufferView::hyphenationPoint()
 472 {
 473         if (available()) {
 474                 hideCursor();
 475                 update(BufferView::SELECT|BufferView::FITCUR);
 476                 InsetSpecialChar * new_inset =
 477                         new InsetSpecialChar(InsetSpecialChar::HYPHENATION);
 478                 insertInset(new_inset);
 479         }
 480 }
 481
 482
 483 void BufferView::ldots()
 484 {
 485         if (available())  {
 486                 hideCursor();
 487                 update(BufferView::SELECT|BufferView::FITCUR);
 488                 InsetSpecialChar * new_inset =
 489                         new InsetSpecialChar(InsetSpecialChar::LDOTS);
 490                 insertInset(new_inset);
 491         }
 492 }
 493
 494
 495 void BufferView::endOfSentenceDot()
 496 {
 497         if (available()) {
 498                 hideCursor();
 499                 update(BufferView::SELECT|BufferView::FITCUR);
 500                 InsetSpecialChar * new_inset =
 501                         new InsetSpecialChar(InsetSpecialChar::END_OF_SENTENCE);
 502                 insertInset(new_inset);
 503         }
 504 }
 505
 506
 507 void BufferView::menuSeparator()
 508 {
 509         if (available()) {
 510                 hideCursor();
 511                 update(BufferView::SELECT|BufferView::FITCUR);
 512                 InsetSpecialChar * new_inset =
 513                         new InsetSpecialChar(InsetSpecialChar::MENU_SEPARATOR);
 514                 insertInset(new_inset);
 515         }
 516 }
 517
 518
 519 void BufferView::newline()
 520 {
 521         if (available()) {
 522                 hideCursor();
 523                 update(BufferView::SELECT|BufferView::FITCUR);
 524                 text->InsertChar(this, LyXParagraph::META_NEWLINE);
 525                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 526         }
 527 }
 528
 529
 530 void BufferView::protectedBlank()
 531 {
 532         if (available()) {
 533                 hideCursor();
 534                 update(BufferView::SELECT|BufferView::FITCUR);
 535                 InsetSpecialChar * new_inset =
 536                         new InsetSpecialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
 537                 insertInset(new_inset);
 538         }
 539 }
 540
 541
 542 void BufferView::hfill()
 543 {
 544         if (available()) {
 545                 hideCursor();
 546                 update(BufferView::SELECT|BufferView::FITCUR);
 547                 text->InsertChar(this, LyXParagraph::META_HFILL);
 548                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 549         }
 550 }
 551
 552 void BufferView::copyEnvironment()
 553 {
 554         if (available()) {
 555                 text->copyEnvironmentType();
 556                 // clear the selection, even if mark_set
 557                 toggleSelection();
 558                 text->ClearSelection();
 559                 update(BufferView::SELECT|BufferView::FITCUR);
 560                 owner()->getMiniBuffer()->Set(_("Paragraph environment type copied"));
 561         }
 562 }
 563
 564
 565 void BufferView::pasteEnvironment()
 566 {
 567         if (available()) {
 568                 text->pasteEnvironmentType(this);
 569                 owner()->getMiniBuffer()->Set(_("Paragraph environment type set"));
 570                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 571         }
 572 }
 573
 574
 575 void BufferView::copy()
 576 {
 577         if (available()) {
 578                 text->CopySelection(this);
 579                 // clear the selection, even if mark_set
 580                 toggleSelection();
 581                 text->ClearSelection();
 582                 update(BufferView::SELECT|BufferView::FITCUR);
 583                 owner()->getMiniBuffer()->Set(_("Copy"));
 584         }
 585 }
 586
 587 void BufferView::cut()
 588 {
 589         if (available()) {
 590                 hideCursor();
 591                 update(BufferView::SELECT|BufferView::FITCUR);
 592                 text->CutSelection(this);
 593                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 594                 owner()->getMiniBuffer()->Set(_("Cut"));
 595         }
 596 }
 597
 598
 599 void BufferView::paste()
 600 {
 601         if (!available()) return;
 602
 603         owner()->getMiniBuffer()->Set(_("Paste"));
 604         hideCursor();
 605         // clear the selection
 606         toggleSelection();
 607         text->ClearSelection();
 608         update(BufferView::SELECT|BufferView::FITCUR);
 609
 610         // paste
 611         text->PasteSelection(this);
 612         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 613
 614         // clear the selection
 615         toggleSelection();
 616         text->ClearSelection();
 617         update(BufferView::SELECT|BufferView::FITCUR);
 618 }
 619
 620
 621 void BufferView::gotoInset(std::vector<Inset::Code> const & codes,
 622                            bool same_content)
 623 {
 624         if (!available()) return;
 625
 626         hideCursor();
 627         beforeChange();
 628         update(BufferView::SELECT|BufferView::FITCUR);
 629
 630         string contents;
 631         if (same_content &&
 632             text->cursor.par()->GetChar(text->cursor.pos()) == LyXParagraph::META_INSET) {
 633                 Inset const * inset = text->cursor.par()->GetInset(text->cursor.pos());
 634                 if (find(codes.begin(), codes.end(), inset->LyxCode())
 635                     != codes.end())
 636                         contents =
 637                                 static_cast<InsetCommand const *>(inset)->getContents();
 638         }
 639
 640         if (!text->GotoNextInset(this, codes, contents)) {
 641                 if (text->cursor.pos()
 642                     || text->cursor.par() != text->FirstParagraph()) {
 643                                 LyXCursor tmp = text->cursor;
 644                                 text->cursor.par(text->FirstParagraph());
 645                                 text->cursor.pos(0);
 646                                 if (!text->GotoNextInset(this, codes, contents)) {
 647                                         text->cursor = tmp;
 648                                         owner()->getMiniBuffer()->Set(_("No more insets"));
 649                                 }
 650                         } else {
 651                                 owner()->getMiniBuffer()->Set(_("No more insets"));
 652                         }
 653         }
 654         update(BufferView::SELECT|BufferView::FITCUR);
 655         text->sel_cursor = text->cursor;
 656 }
 657
 658
 659 void BufferView::gotoInset(Inset::Code code, bool same_content)
 660 {
 661         gotoInset(vector<Inset::Code>(1, code), same_content);
 662 }
 663
 664
 665 void BufferView::insertCorrectQuote()
 666 {
 667         char c;
 668
 669         if (text->cursor.pos())
 670                 c = text->cursor.par()->GetChar(text->cursor.pos() - 1);
 671         else
 672                 c = ' ';
 673
 674         insertInset(new InsetQuotes(c, buffer()->params));
 675 }
 676
 677
 678 /* these functions are for the spellchecker */
 679 string const BufferView::nextWord(float & value)
 680 {
 681         if (!available()) {
 682                 value = 1;
 683                 return string();
 684         }
 685
 686         return text->SelectNextWord(this, value);
 687 }
 688
 689
 690 void BufferView::selectLastWord()
 691 {
 692         if (!available()) return;
 693
 694         hideCursor();
 695         beforeChange();
 696         text->SelectSelectedWord(this);
 697         toggleSelection(false);
 698         update(BufferView::SELECT|BufferView::FITCUR);
 699 }
 700
 701
 702 void BufferView::endOfSpellCheck()
 703 {
 704         if (!available()) return;
 705
 706         hideCursor();
 707         beforeChange();
 708         text->SelectSelectedWord(this);
 709         text->ClearSelection();
 710         update(BufferView::SELECT|BufferView::FITCUR);
 711 }
 712
 713
 714 void BufferView::replaceWord(string const & replacestring)
 715 {
 716         if (!available()) return;
 717
 718         hideCursor();
 719         update(BufferView::SELECT|BufferView::FITCUR);
 720
 721         /* clear the selection (if there is any) */
 722         toggleSelection(false);
 723         update(BufferView::SELECT|BufferView::FITCUR);
 724
 725         /* clear the selection (if there is any) */
 726         toggleSelection(false);
 727         text->ReplaceSelectionWithString(this, replacestring);
 728
 729         text->SetSelectionOverString(this, replacestring);
 730
 731         // Go back so that replacement string is also spellchecked
 732         for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
 733                 text->CursorLeft(this);
 734         }
 735         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 736 }
 737 // End of spellchecker stuff
 738
 739
 740 bool BufferView::lockInset(UpdatableInset * inset)
 741 {
 742         if (!theLockingInset() && inset) {
 743                 theLockingInset(inset);
 744                 return true;
 745         } else if (inset) {
 746             return theLockingInset()->LockInsetInInset(this, inset);
 747         }
 748         return false;
 749 }
 750
 751
 752 void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
 753 {
 754         if (theLockingInset() && available()) {
 755                 LyXCursor cursor = text->cursor;
 756                 if ((cursor.pos() - 1 >= 0) &&
 757                     (cursor.par()->GetChar(cursor.pos() - 1) ==
 758                      LyXParagraph::META_INSET) &&
 759                     (cursor.par()->GetInset(cursor.pos() - 1) ==
 760                      theLockingInset()->GetLockingInset()))
 761                         text->SetCursor(this, cursor,
 762                                         cursor.par(), cursor.pos() - 1);
 763                 LyXScreen::Cursor_Shape shape = LyXScreen::BAR_SHAPE;
 764                 LyXText * txt = getLyXText();
 765                 if (theLockingInset()->GetLockingInset()->LyxCode() ==
 766                     Inset::TEXT_CODE &&
 767                     (txt->real_current_font.language() !=
 768                      buffer()->params.language
 769                      || txt->real_current_font.isVisibleRightToLeft()
 770                      != buffer()->params.language->RightToLeft()))
 771                         shape = (txt->real_current_font.isVisibleRightToLeft())
 772                                 ? LyXScreen::REVERSED_L_SHAPE
 773                                 : LyXScreen::L_SHAPE;
 774                 y += cursor.y() + theLockingInset()->InsetInInsetY();
 775                 pimpl_->screen_->ShowManualCursor(text, x, y, asc, desc,
 776                                                   shape);
 777         }
 778 }
 779
 780
 781 void BufferView::hideLockedInsetCursor()
 782 {
 783         if (theLockingInset() && available()) {
 784                 pimpl_->screen_->HideCursor();
 785         }
 786 }
 787
 788
 789 void BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
 790 {
 791         if (theLockingInset() && available()) {
 792                 y += text->cursor.y() + theLockingInset()->InsetInInsetY();
 793                 if (pimpl_->screen_->FitManualCursor(text, this, x, y, asc, desc))
 794                         updateScrollbar();
 795         }
 796 }
 797
 798
 799 int BufferView::unlockInset(UpdatableInset * inset)
 800 {
 801         if (inset && theLockingInset() == inset) {
 802                 inset->InsetUnlock(this);
 803                 theLockingInset(0);
 804                 text->FinishUndo();
 805                 return 0;
 806         } else if (inset && theLockingInset() &&
 807                    theLockingInset()->UnlockInsetInInset(this, inset)) {
 808                 text->FinishUndo();
 809                 return 0;
 810         }
 811         return bufferlist.unlockInset(inset);
 812 }
 813
 814
 815 void BufferView::lockedInsetStoreUndo(Undo::undo_kind kind)
 816 {
 817         if (!theLockingInset())
 818                 return; // shouldn't happen
 819         if (kind == Undo::EDIT) // in this case insets would not be stored!
 820                 kind = Undo::FINISH;
 821         text->SetUndo(buffer(), kind,
 822 #ifndef NEW_INSETS
 823                       text->cursor.par()->
 824                       ParFromPos(text->cursor.pos())->previous,
 825                       text->cursor.par()->
 826                       ParFromPos(text->cursor.pos())->next
 827 #else
 828                       text->cursor.par()->previous,
 829                       text->cursor.par()->next
 830 #endif
 831                 );
 832 }
 833
 834
 835 void BufferView::updateInset(Inset * inset, bool mark_dirty)
 836 {
 837         if (!inset)
 838                 return;
 839
 840         // first check for locking insets
 841         if (theLockingInset()) {
 842                 if (theLockingInset() == inset) {
 843                         if (text->UpdateInset(this, inset)) {
 844                                 update();
 845                                 if (mark_dirty) {
 846                                         if (buffer()->isLyxClean())
 847                                                 owner()->getMiniBuffer()->
 848                                                         setTimer(4);
 849                                         buffer()->markDirty();
 850                                 }
 851                                 updateScrollbar();
 852                                 return;
 853                         }
 854                 } else if (theLockingInset()->UpdateInsetInInset(this,inset)) {
 855                         if (text->UpdateInset(this, theLockingInset())) {
 856                                 update();
 857                                 if (mark_dirty){
 858                                         if (buffer()->isLyxClean())
 859                                                 owner()->getMiniBuffer()->
 860                                                         setTimer(4);
 861                                         buffer()->markDirty();
 862                                 }
 863                                 updateScrollbar();
 864                                 return;
 865                         }
 866                 }
 867         }
 868
 869         // then check the current buffer
 870         if (available()) {
 871                 hideCursor();
 872                 update(BufferView::UPDATE);
 873                 if (text->UpdateInset(this, inset)) {
 874                         if (mark_dirty)
 875                                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 876                         else
 877                                 update(SELECT);
 878                         return;
 879                 }
 880         }
 881 }
 882
 883
 884 bool BufferView::ChangeInsets(Inset::Code code, string const & from, string const & to)
 885 {
 886         bool flag = false;
 887         LyXParagraph * par = buffer()->paragraph;
 888         LyXCursor cursor = text->cursor;
 889         LyXCursor tmpcursor = cursor;
 890 #ifndef NEW_INSETS
 891         cursor.par(tmpcursor.par()->ParFromPos(tmpcursor.pos()));
 892         cursor.pos(tmpcursor.par()->PositionInParFromPos(tmpcursor.pos()));
 893 #else
 894         cursor.par(tmpcursor.par());
 895         cursor.pos(tmpcursor.pos());
 896 #endif
 897
 898         while (par) {
 899                 bool flag2 = false;
 900                 for (LyXParagraph::inset_iterator it = par->inset_iterator_begin();
 901                      it != par->inset_iterator_end(); ++it) {
 902                         if ((*it)->LyxCode() == code) {
 903                                 InsetCommand * inset = static_cast<InsetCommand *>(*it);
 904                                 if (inset->getContents() == from) {
 905                                         inset->setContents(to);
 906                                         flag2 = true;
 907                                 }
 908                         }
 909                 }
 910                 if (flag2) {
 911                         flag = true;
 912 #ifndef NEW_INSETS
 913                         if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE){
 914 #endif
 915                                 // this is possible now, since SetCursor takes
 916                                 // care about footnotes
 917                                 text->SetCursorIntern(this, par, 0);
 918                                 text->RedoParagraphs(this, text->cursor,
 919                                                      text->cursor.par()->Next());
 920                                 text->FullRebreak(this);
 921 #ifndef NEW_INSETS
 922                         }
 923 #endif
 924                 }
 925                 par = par->next;
 926         }
 927         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 928         return flag;
 929 }
 930
 931
 932 bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 933 {
 934         // Check if the label 'from' appears more than once
 935         vector<string> labels = buffer()->getLabelList();
 936         if (count(labels.begin(), labels.end(), from) > 1)
 937                 return false;
 938
 939         return ChangeInsets(Inset::REF_CODE, from, to);
 940 }
 941
 942
 943 bool BufferView::ChangeCitationsIfUnique(string const & from, string const & to)
 944 {
 945
 946         vector<pair<string,string> > keys = buffer()->getBibkeyList();
 947         if (count_if(keys.begin(), keys.end(),
 948                      equal_1st_in_pair<string,string>(from))
 949             > 1)
 950                 return false;
 951
 952         return ChangeInsets(Inset::CITE_CODE, from, to);
 953 }
 954
 955 UpdatableInset * BufferView::theLockingInset() const
 956 {
 957         // If NULL is not allowed we should put an Assert here. (Lgb)
 958         if (text)
 959                 return text->the_locking_inset;
 960         return 0;
 961 }
 962
 963
 964 void BufferView::theLockingInset(UpdatableInset * inset)
 965 {
 966     text->the_locking_inset = inset;
 967 }
 968
 969
 970 LyXText * BufferView::getLyXText() const
 971 {
 972         if (theLockingInset()) {
 973                 LyXText * txt = theLockingInset()->getLyXText(this);
 974                 if (txt)
 975                         return txt;
 976         }
 977         return text;
 978 }
 979
 980
 981 LyXText * BufferView::getParentText(Inset * inset) const
 982 {
 983         if (inset->owner()) {
 984                 LyXText * txt = inset->getLyXText(this);
 985                 inset = inset->owner();
 986                 while (inset && inset->getLyXText(this) == txt)
 987                         inset = inset->owner();
 988                 if (inset)
 989                         return inset->getLyXText(this);
 990         }
 991         return text;
 992 }
 993
 994 Language const * BufferView::getParentLanguage(Inset * inset) const
 995 {
 996         LyXText * text = getParentText(inset);
 997         return text->cursor.par()->GetFontSettings(buffer()->params,
 998                                                    text->cursor.pos()).language();
 999 }